Is there a way for the Supplier to bulk update PO's via Supplier Portal?

Summary:

Is there a way for the Supplier to bulk update POs via the Supplier Portal?

Content (required):

I am looking to find out if there is a way for the Supplier to update POs in bulk in one go. The attributes that the supplier is expected to update are PO Line/Schedule Need by Dates, Split Line to multiple schedules etc.

Version (include the version you are using, if applicable):

21D

Code Snippet (add any code snippets that support your topic, if applicable):

Not Applicable